Barack Obama wasn't a big fan of Sarah Palin's uninformed criticism of his nuclear arms treaty with Russia this week.

But at least the President, along with all rational human beings, can take solace in Palin's existence for one reason only: it's enabled Tina Fey to deliver the best satire television has seen in years.

I am thankful to be married to a man who loves being a dad as much as I love being a mom so he is my strength. And practically speaking, we have a great network of help with lots of grandparents and aunties and uncles all around us. We have a lot of help.